DONETSK, UKRAINE - JANUARY 23, 2015: Two dogs confront each other at the site where a rocket landed and exploded two days earlier, killing one person and damaging nearby apartment buildings, in Donetsk, Ukraine. After the rebels finally took control of the heavily contested airport in Donetsk from the Ukrainian Army, they have promised an offensive to extend their territory further. CREDIT: Brendan Hoffman for The New York Times